DOI: 10.1016/j.atmosenv.2014.11.025
Scopus记录号: 2-s2.0-84912081085
论文题名: Influence of local sources and topography on air quality and rainwater composition in Cubatão and São Paulo, Brazil
作者: Vieira-Filho M ; S ; , Lehmann C ; , Fornaro A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 101 起始页码: 200
结束页码: 208
语种: 英语
英文关键词: Megacity
; Rainwater chemistry
; Sulfate
; Sulfur dioxide
; Urban air pollution
Scopus关键词: Air quality
; Deposition
; Industrial emissions
; Nitrogen
; Sulfur
; Air pollutant emission
; Industrial sector
; Megacities
; Rainwater chemistry
; Sulfate
; Sulfur depositions
; Urban air pollution
; Volume-weighted means
; Sulfur dioxide
; nitrogen
; rain
; sulfur
; air quality
; atmospheric pollution
; nitrogen
; rainwater
; topography
; urban area
; wet deposition
; air quality
; Article
; atmospheric deposition
; Brazil
; chemical composition
; exhaust gas
; pH
; seasonal variation
; topography
; urban area
; wet deposition
; Brazil
; Cubatao
; Sao Paulo [Brazil]
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Wet deposition was measured in two urban areas of Brazil, Cubatão and São Paulo megacity (MASP), from July 2009 to August 2010. Cubatão is characterized by the large and complex industrial sector and MASP by a large vehicular fleet, and these different sources contributed to 15.5×106 and 25.5×106kgyear-1 of SO2 air emissions, respectively. The rainwater volume-weighted mean (VWM) pH values and [SO4 2-] in Cubatão and in MASP were 4.8 and 7.1μmolL-1, and 5.3 and 24.5μmolL-1, respectively. Regarding nitrogen content, the difference between reduced and oxidized nitrogen was more pronounced in MASP, where more than 61% of total nitrogen scavenged as NH4 +. The wet-only sulfur deposition in Cubatão was 17.0kgSha-1y-1, which was 2.7-fold higher than that in MASP. Although the higher air pollutant emissions occur in MASP, the worst air quality and wet deposition has been observed in Cubatão due to the orographic conditions. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82126
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Atmospheric Sciences, Institute of Astronomy, Geophysics, and Atmospheric Sciences, University of São Paulo (IAG/USP), Rua do Matão 1226, São Paulo, Brazil; National Atmospheric Deposition Program, Illinois State Water Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 2204 Griffith Dr., Champaign, IL, United States
Recommended Citation:
Vieira-Filho M,S,, Lehmann C,et al. Influence of local sources and topography on air quality and rainwater composition in Cubatão and São Paulo, Brazil[J]. Atmospheric Environment,2015-01-01,101